Greatest Common Factor of 642, 105, 243

Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways

• Greatest Common Factor of 642, 105, 243 by common division method
• Greatest Common Factor of 642, 105, 243 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ So the GCF of the given numbers is 3 = 3

Factors of 642

List of positive integer factors of 642 that divides 642 without a remainder.

1,2,3,6,107,214,321,642

Factors of 105

List of positive integer factors of 105 that divides 105 without a remainder.

1,3,5,7,15,21,35,105

Factors of 243

List of positive integer factors of 243 that divides 243 without a remainder.

1,3,9,27,81,243

Greatest Common Factor

We found the factors 642,105,243 . The biggest common factor number is the GCF number.
So the greatest common factor 642,105,243 is 3.

Here are some samples of GCF of two or more Numbers calculations.

• GCF of 633, 905, 160
• GCF of 230, 338, 164
• GCF of 462, 701, 686
• GCF of 510, 865, 709
• GCF of 928, 501, 296

1. What is the GCF of 642, 105, 243?

Answer: GCF of 642, 105, 243 is 3.

2. How to Find the GCF of 642, 105, 243

Answer: Greatest Common Factor(GCF) of 642, 105, 243 = 3

Step 1: Divide all the numbers with common prime numbers having remainder zero.

Step 2: Then multiply all the prime factors GCF(642, 105, 243) = 3.